| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 28, 2021 | May 26, 2021 | 001-38636 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2021 | Apr 30, 2021 | 001-38636 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2021 | Mar 4, 2021 | 001-38636 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2020 | Jul 1, 2020 | 001-38636 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2020 | Feb 28, 2020 | 001-38636 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2019 | Mar 4, 2019 | 001-38636 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 1, 2018 | Oct 1, 2018 | 001-38636 |